...). Material extrusion Fused filament fabrication (FFF) Thermal modeling Melting Numerical simulation Thermoplastic polymers The material of choice is an ABS (Hatchbox ABS, black, 1.75 mm diameter) filament, which was selected for its popularity in the literature (Peterson, 2019). Details...

...Alex Riensche; Jordan Severson; Reza Yavari; Nicholas L. Piercy; Kevin D. Cole; Prahalada Rao Purpose The purpose of this paper is to develop, apply and validate a mesh-free graph theory–based approach for rapid thermal modeling of the directed energy deposition (DED) additive manufacturing (AM...

... quality. The aim of this study is to take advantage of an analytical thermal model to modulate the laser power upstream of manufacturing. Design/methodology/approach The approach takes place in two steps: the first step consists in calculating the preheating temperature at the considered point...

... ( r , z , t ) ∂ t Additive manufacturing Thermal gradient Thermal modeling LPBF Scanning path The process of laser powder bed fusion (LPBF) is a technique of direct manufacturing that uses a high-power laser to melt powder according to the scanning paths. During...